#ifndef LED_OPERTION_H
#define LED_OPERTION_H
struct led_operation{
    int num;
    int (*init) (int which);/*initalize whic led*/
    int (*ctrl) (int which, char status);/*set led <which> to <status>*/
    int (*exit) (void);/*iounremap*/
};

struct led_operation *get_board_led_optr(void);

#endif